LAS VEGAS (AP) — Flying taxis and a robot that can fetch toilet paper when you're stranded on the loo were among the technologies showcased this week at the annual CES gadget show in Las Vegas.

The annual technology conference is the place for big brands and startups alike to unveil their products and services for the coming year, though larger companies such as Apple, Google and Microsoft typically hold their own announcement events. Streaming services and surveillance technologies are among the hot topics. The show formally opens Tuesday following two days of media previews.

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